Perhaps you should try some spelling variations:
"coder coder _ walking program" » "coder coder _ smoking program" (Expand search), "coder coder _ stocking program" (Expand search), "coder decoder _ walking program" (Expand search), "code code _ walking program" (Expand search), "decoder codec _ walking program" (Expand search)
"api python python python programming" » "api pythons python python programming" (Expand search), "api piton python python programming" (Expand search), "api pitons python python programming" (Expand search), "rpa python python python programming" (Expand search)

You may be able to get more results by adjusting your search query.

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"coder coder _ walking program\") OR (\"api python python python programming\"))~".
• Removing quotes may allow a broader search: (( coder coder _ walking program ) OR ( api python python python programming ))~.
• Adding a wildcard symbol may retrieve word variants: (("coder coder _ walking program") OR ("api python python python programming"))*.